About Obayashi


Business Units

Building Construction Business

Obayashi responds to the diverse needs of its customers in sales, construction, and technological development, from building energy-saving and environment-friendly offices, high-productivity plants, and hospitals and schools incorporating earthquake-resistant and disaster-prevention technologies, to the preservation and restoration of cultural properties.
All departments—sales, design, mechanical and electrical, purchasing, construction, and technology development—work as a single unit to execute projects. With its experience, know-how, technological expertise and management resources, Obayashi delivers high value-added proposals to clients in a speedy and efficient manner.

Civil Engineering Business

Obayashi applies its technological prowess to a wide variety of civil engineering projects including tunnels, bridges, dams, river works, urban infrastructure and railroads. The Group is also aggressively involved in environment-related fields and has proven track records in construction of environment-friendly closed-type waste disposal facilities and soil remediation projects, among other project types.
Obayashi satisfies customers' exact needs through solution-based technical marketing in which sales, technology, construction, and research and development departments work together to achieve maximum efficiency.

Real Estate Business

Obayashi has been involved in numerous large-scale development projects in the Tokyo metropolitan area, including in the vicinity of Tokyo Station, the Shiodome district, Shinagawa Station East Area, Shinjuku Station South Area, Osaki Station East Area, and Urawa Station East Area. The Company has worked proactively on redevelopment projects nationwide, building an extensive track record both as a business partner and as a private agent commissioned by the contractor.
In addition, Obayashi is striving to ensure stable profits by securing prime rental properties in central urban areas.

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